Home / 50,940.74-76,328.12-31,177.82

Finding the Fourth Proportional to 50,940.74, 76,328.12 and 31,177.82

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Solution

The fourth proportional to 50,940.74, 76,328.12 and 31,177.82 is: 46,715.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,940.74 : 76,328.12 = 31,177.82 : x
  2. Step 2: Convert to fraction form
    50,940.74/76,328.12 = 31,177.82/x
  3. Step 3: Cross multiply
    50,940.74x = 76,328.12 × 31,177.82
  4. Step 4: Simplify right side
    50,940.74x = 2,379,744,386.30
  5. Step 5: Solve for x
    x = 2,379,744,386.30/50,940.74
  6. Step 6: Final answer
    x = 46,715.94

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.